Speedup PIO Home via internal calling of PIO Core CLI

platformio/commands/debug/command.py

@@ -123,7 +123,7 @@ def cli(ctx, project_dir, project_conf, environment, verbose, interface,
         if helpers.is_mi_mode(__unprocessed):
             click.echo('~"Preparing firmware for debugging...\\n"')
             output = helpers.GDBBytesIO()
-            with helpers.capture_std_streams(output):
+            with util.capture_std_streams(output):
                 helpers.predebug_project(ctx, project_dir, env_name, preload,
                                          verbose)
             output.close()

platformio/commands/debug/helpers.py

@@ -14,7 +14,6 @@
 
 import sys
 import time
-from contextlib import contextmanager
 from fnmatch import fnmatch
 from hashlib import sha1
 from io import BytesIO
@@ -41,17 +40,6 @@ class GDBBytesIO(BytesIO):  # pylint: disable=too-few-public-methods
         self.STDOUT.flush()
 
 
-@contextmanager
-def capture_std_streams(stdout, stderr=None):
-    _stdout = sys.stdout
-    _stderr = sys.stderr
-    sys.stdout = stdout
-    sys.stderr = stderr or stdout
-    yield
-    sys.stdout = _stdout
-    sys.stderr = _stderr
-
-
 def is_mi_mode(args):
     return "--interpreter" in " ".join(args)